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erlcass

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ErlCass - Erlang Cassandra Driver

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erlcass src erlcass_stm_cache.erl
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src/erlcass_stm_cache.erl 

-module(erlcass_stm_cache).



-export([

    create/0,

    set/2,

    find/1,

    to_list/0

]).



-define(ETS_PREPARED_STM_CACHE, erlcass_ets_prepared_stm_cache).



create() ->

    ?ETS_PREPARED_STM_CACHE = ets:new(?ETS_PREPARED_STM_CACHE, [set, named_table, public, {read_concurrency, true}]),

    ok.



set(Identifier, Query) ->

    true = ets:insert(?ETS_PREPARED_STM_CACHE, {Identifier, Query}).



find(Identifier) ->

    case ets:lookup(?ETS_PREPARED_STM_CACHE, Identifier) of

        [{Identifier, _Query}] ->

            true;

        [] ->

            false

    end.



to_list() ->

    ets:tab2list(?ETS_PREPARED_STM_CACHE).